| Answer | Crossword Clue |
|---|---|
| siphonophore | A colonial marine coelenterate of the order Siphonophora, such as a Portuguese man-of-war |
| siphonophores | A colonial marine coelenterate of the order Siphonophora, such as a Portuguese man-of-war |
| hydrozoan | A coelenterate of the class Hydrozoa, such as a hydra or Portuguese man-of-war |
| hydrozoans | A coelenterate of the class Hydrozoa, such as a hydra or Portuguese man-of-war |
| pneumatophores | The gas-filled float of some colonial coelenterates, such as the Portuguese man-of-war |
| pneumatophore | The gas-filled float of some colonial coelenterates, such as the Portuguese man-of-war |
